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Topic
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Displaying 1 - 16 of 16
Reliable predictions of emissions from wildland fires are a key element of smoke management programs. Emission factors (the amount of pollutants produced per amount of fuel consumed) are used in models to estimate the composition of smoke. Over…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels, Models, Prescribed Fire
Region(s): California, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southwest
Keywords: FOFEM - First Order Fire Effects Model, PM - particulate matter, PM2.5, air quality, fuel bed, flaming, smoldering, emission factors, wildfire
Field and laboratory emission factors (EFs) of wildland fire emissions for 276 known air pollutants sampled across Canada and the US were compiled. An online database, the Smoke Emissions Repository Application (SERA), was created to enable…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, greenhouse gas emissions, PM - particulate matter, smoke management, Canada, wildfire emissions
The Fourier transform infrared (FTIR) spectrometer at the University of Toronto Atmospheric Observatory has been operational since 2002, collecting solar absorption spectra from which atmospheric trace gas profiles and columns are retrieved. The time series of total columns of…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models
Region(s): International
Keywords: Canada, biomass burning, emission ratio, emission factor, FTIR - Fourier transform infrared absorption spectroscopy , wildfires, plumes, CO - carbon monoxide, FLEXPART, HYSPLIT - Hybrid Single-Particle Lagrangian Integrated Trajectory, GEOS-Chem
This study investigated the emission of PM10 and PM2.5 (particulates with diameters of less than 10 µm and 2.5 µm, respectively) and the chemical composition of PM2.5 from laboratory combustion of five Australian vegetation types (three grasslands, a woodland and a forest). A…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: PM2.5, Australia, bushfire, vegetation fire, PAH - polycyclic aromatic hydrocarbons, water-soluble metals
Data on emission of atmospheric pollutants at local scale is essential for accurately modelling forest fire emission at regional scale. In this study, we quantified emission factor (EF) of gaseous pollutants (CO, CO2, NOx, hydrocarbons, organic…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: China, environmental pollution, forest fire, hydrocarbons, PM2.5, water soluble inorganic ions, PM - particulate matter
Fires and the aerosols that they emit impact air quality, health, and climate, but the abundance and properties of carbonaceous aerosol (both black carbon and organic carbon) from biomass burning (BB) remain uncertain and poorly constrained. We aim to explore the uncertainties…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: biomass burning, organic aerosols, air quality, AOD - aerosol optical depth, FINN - Fire Inventory of NCAR, IMPROVE network, GEOS-Chem, wildfires, MODIS - Moderate Resolution Imaging Spectroradiometer, black carbon, Aerosol Direct Radiative Effect
Biomass burning is an important component of the Earth system in terms of global biogeochemistry, atmospheric composition, climate, terrestrial ecology, and land use. This study examines published ice core trace gas measurements of acetylene, ethane, and methane, which have been…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire History, Models
Region(s): International
Keywords: biomass burning, CH4 - methane, ethane, acetylene, paleofire, ice cores, Greenland, Antarctica
Modelling and forecasting of air pollution from bushfires or hazardous reduction burnings is important in providing information and allowing measures to be taken to reduce the exposure of people from harmful effect of air pollutants from fire events. In this work, the…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Models
Region(s): International
Keywords: hazardous reduction burnings, CCAM - Conformal Cubic Atmospheric Model, air quality model, smoke aerosols, air quality, health impacts, PM2.5, Australia, bushfires, PM - particulate matter
This study investigated emission factors (EFs) for CO2, CO, NO and carbonyls from laboratory-based combustion of five typical vegetation types of Western Australia. A range of combustion conditions was obtained by controlling the vegetation…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: Australia, bushfires, vegetation fires, trace gases, formaldehyde, carbonyls, laboratory fires
Polycyclic aromatic hydrocarbons (PAHs) are formed by the incomplete combustion of fossil fuels and forest or biomass burning. PAHs undergo long-range atmospheric transport, as evidenced by in situ observations across the Arctic. However, monitored atmospheric concentrations of…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects
Region(s): International
Keywords: PAH - polycyclic aromatic hydrocarbons, BaP - benzo(a)pyrene, biomass burning, source apportionment, boreal forest, MODIS - Moderate Resolution Imaging Spectroradiometer, Russia, Arctic
Wildfires in humid tropical forests have become more common in recent years, increasing the rates of tree mortality in forests that have not co-evolved with fire. Estimating carbon emissions from these wildfires is complex. Current approaches rely on estimates of committed…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Amazon, Brazil, CO2 - carbon dioxide, vegetation growth, stem mortality, tree mortality
Models of atmospheric composition rely on fire emissions inventories to reconstruct and project impacts of biomass burning on air quality, public health, climate, ecosystem dynamics, and land-atmosphere exchanges. Many such global inventories use satellite measurements of active…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Models
Region(s): International
Keywords: Indonesia, MODIS - Moderate Resolution Imaging Spectroradiometer, burned area, active fires, Google Earth, PM2.5
Air quality impacts from wildfires have been dramatic in recent years, with millions of people exposed to elevated and sometimes hazardous fine particulate matter (PM2.5) concentrations for extended periods. Fires emit particulate matter (PM) and gaseous compounds that can…
Person:
Year: 2020
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Prescribed Fire, Safety
Region(s): California, Eastern, Great Basin, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest
Keywords: air quality, human health, PM - particulate matter, PM2.5, health effects, respiratory health, cardiovascular health, wildfire, AQI - Air Quality Index, remote sensing, emission factors
Wildfires and other types of biomass burning are a seasonal phenomenon in different land ecosystems around the world. Such fires are estimated to consume biomass containing a total of 2-5 petagrams of carbon globally every year, generating heat energy and emitting smoke plumes…
Person: Ichoku
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Mapping, Models, Monitoring and Inventory
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: FRE - Fire Radiative Energy, biomass, PM - particulate matter, air quality, black carbon, CO2 - carbon dioxide, MODIS - Moderate Resolution Imaging Spectroradiometer, remote sensing, emission factor, satellite observations
In this short webinar, RMRS Research Physical Scientist Shawn Urbanski and Fire Ecologist Duncan Lutes will discuss the current state of the science on wildland fire smoke emissions, including pollutants present in smoke, methods for quantifying emission flux,…
Person: Urbanski, Lutes
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Emissions and Smoke, Fuels, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: FOFEM - First Order Fire Effects Model, fuel consumption, smoke prediction, public health, smoke impacts, emission factor, C - carbon, fuelbed properties, PM2.5, smoldering, flaming combustion, PM - particulate matter
Emissions from wildland fires strongly influence tropospheric chemistry and climate. Fires emit high levels of trace gases, including semi-volatile and volatile organic compounds (S/VOCs); and primary (directly emitted) particulate matter (PM). During plume evolution, S/VOCs…
Person: Barsanti
Year: 2020
Type: Media
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Occurrence, Fuels, Models, Monitoring and Inventory
Region(s): California
Keywords: air quality, health impacts, PM - particulate matter, C - carbon, organic carbon, PM2.5, wildfires, POC - Particulate Organic compound, health effects, climate effects, emission factors, fuel consumption, NMOC - nonmethane organic compounds, chemistry, gas chromatography, FIREX - Fire Influence on Regional and Global Environments Experiment, NEIVA - Nextgen Emissions InVentory expansion of Akagi